316 lines
11 KiB
C
316 lines
11 KiB
C
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/****************************************************************************
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Copyright(c) 2019 by Aerospace C.Power (Chongqing) Microelectronics. ALL RIGHTS RESERVED.
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This Information is proprietary to Aerospace C.Power (Chongqing) Microelectronics and MAY NOT
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be copied by any method or incorporated into another program without
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the express written consent of Aerospace C.Power. This Information or any portion
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thereof remains the property of Aerospace C.Power. The Information contained herein
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is believed to be accurate and Aerospace C.Power assumes no responsibility or
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liability for its use in any way and conveys no license or title under
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any patent or copyright and makes no representation or warranty that this
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Information is free from patent or copyright infringement.
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****************************************************************************/
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#ifndef PROTO_3761_H
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#define PROTO_3761_H
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#include "os_types_api.h"
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#include "iot_pkt_api.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* pack for the structures in the whole file */
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#pragma pack(push) /* save the pack status */
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#pragma pack(1) /* 1 byte align */
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/* frame start char definition */
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#define PROTO_3761_START_CHAR (0x68)
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/* frame end char definition */
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#define PROTO_3761_END_CHAR (0x16)
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/* define administrative region code length */
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#define PROTO_3761_AREA_CODE_LEN (2)
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/* broadcast address of device(terminal) */
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#define PROTO_3761_BCAST_DEV_ADRR 0xFFFF
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/* define proto 3761 pass word length */
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#define PROTO_3761_PW_LEN 16
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/* define seq number max value */
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#define PROTO_3761_SN_MAX 0xF
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/* definition of function code of starting station */
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#define PROTO_3761_FN_P_RESET_CMD 1
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#define PROTO_3761_FN_P_USER_DATA 4
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#define PROTO_3761_FN_P_REQ_LINK_TEST 9
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#define PROTO_3761_FN_P_REQ_CLASS1_DATA 10
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#define PROTO_3761_FN_P_REQ_CLASS2_DATA 11
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/* definition of function code of slave station */
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#define PROTO_3761_FN_S_CONFIRM 0
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#define PROTO_3761_FN_S_RSP_USER_DATA 8
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#define PROTO_3761_FN_S_RSP_NON_DATA 9
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#define PROTO_3761_FN_S_RSP_LINK_TEST 11
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/* define message direction */
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#define PROTO_3761_DIR_SLAVE 1
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#define PROTO_3761_DIR_MASTER 0
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/* define info point and info type length */
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#define PROTO_3761_PN_LEN 2
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#define PROTO_3761_FN_LEN 2
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/* some definitions of information points */
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#define PROTO_3761_PN_0 (0)
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#define PROTO_3761_PN_MAX (2040)
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#define PROTO_3761_PN_ALL (0xFF00)
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/* app function number definition */
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#define PROTO_3761_AFN_10 (0x10)
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/* define communication port number */
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#define PROTO_3761_PORT_RS485_1 1
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#define PROTO_3761_PORT_RS485_2 2
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#define PROTO_3761_PORT_LOCAL_COMM 31
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/* define the number of UART data bits */
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#define PROTO_3761_UART_DATA_5_BIT 0
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#define PROTO_3761_UART_DATA_6_BIT 1
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#define PROTO_3761_UART_DATA_7_BIT 2
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#define PROTO_3761_UART_DATA_8_BIT 3
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/* define the number of UART stop bits */
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#define PROTO_3761_UART_STOP_1_BIT 0
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#define PROTO_3761_UART_STOP_2_BIT 1
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/* define UART baud id */
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#define PROTO_3761_UART_BAUD_ID_300 0
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#define PROTO_3761_UART_BAUD_ID_600 1
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#define PROTO_3761_UART_BAUD_ID_1200 2
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#define PROTO_3761_UART_BAUD_ID_2400 3
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#define PROTO_3761_UART_BAUD_ID_4800 4
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#define PROTO_3761_UART_BAUD_ID_7200 5
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#define PROTO_3761_UART_BAUD_ID_9600 6
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#define PROTO_3761_UART_BAUD_ID_19200 7
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#define PROTO_3761_UART_BAUD_ID_MAX 8
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/* protocol 3761 header layout */
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typedef struct _proto_3761_hdr {
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/* start character 1 */
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uint8_t start_char1;
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/* protocol coding 1, it must be 2 */
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uint16_t proto_code1 : 2,
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/* data length 1 */
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len1 : 14;
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/* protocol coding 2, it must be 2 */
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uint16_t proto_code2 : 2,
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/* data length 2 */
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len2 : 14;
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/* start character 2 */
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uint8_t start_char2;
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/* data payload */
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uint8_t data[0];
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} proto_3761_hdr_t;
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/* control field defined */
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typedef struct _proto_3761_ctrl {
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/* function code, see PROTO_3761_FN_XXXX */
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uint8_t fn : 4,
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/* up load: rsvd.
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* down link: frame connter valid bit.
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*/
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fcv : 1,
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/* up load:
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* request access bit: 1 - there are important events requesting access,
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* 0 - not.
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* down link:
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* frame connter bit.
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*/
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fcb_acd : 1,
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/* start flag bit: 1 - from starting station, 0 - from slave station */
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prm : 1,
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/* message direction, see PROTO_3761_DIR_XXX.
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* 0 - downlink from main station, 1 - up to main station.
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*/
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dir : 1;
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} proto_3761_ctrl_t;
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/* address field defined */
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typedef struct _proto_3761_addr {
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/* administrative region code - BCD */
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uint8_t area_code[PROTO_3761_AREA_CODE_LEN];
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/* terminal device address */
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uint16_t dev_addr;
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/* group address identification */
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uint8_t is_group :1,
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/* master addr */
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msa :7;
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} proto_3761_addr_t;
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/* user data layout */
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typedef struct _proto_3761_user_data {
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/* control field */
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proto_3761_ctrl_t ctrl;
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/* address field */
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proto_3761_addr_t addr_filed;
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/* data payload */
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uint8_t data[0];
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} proto_3761_user_data_t;
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/* application header layout */
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typedef struct proto_3761_app_hdr {
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/* application function code */
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uint8_t afn;
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/* seq number */
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uint8_t seq :4,
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/* flag to mark if need to confirm */
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con :1,
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/* flag to mark if finish frame */
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fin :1,
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/* flag to mark if first frame */
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fir :1,
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/* Time label valid flag */
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tpv :1;
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/* data payload */
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uint8_t data[0];
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} proto_3761_app_hdr_t;
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/* data unit layout */
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typedef struct proto_3761_data_uint {
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/* data unit identification - information point */
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uint8_t pn[PROTO_3761_PN_LEN];
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/* data unit identification - information type */
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uint8_t fn[PROTO_3761_FN_LEN];
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/* data unit */
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uint8_t data[0];
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} proto_3761_data_uint_t;
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/* protocol 3761 tail layout */
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typedef struct _proto_3761_tail {
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/* check sum */
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uint8_t cs;
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/* end character */
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uint8_t end_char;
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} proto_3761_tail_t;
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/* AFN = 10H, FN = 1: Transparent forwarding downlink message layout */
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typedef struct proto_3761_afn10f1_dl_t {
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/* communication port number, see PROTO_3761_PORT_XXX */
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uint8_t port;
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/* uart frame format -- data bit num, see PROTO_3761_UART_DATA_X_BIT */
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uint8_t data_bit_num : 2,
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/* uart frame format -- parity flag: 1 - odd, 0 - even */
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parity : 1,
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/* parity bit valid flag */
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parity_valid : 1,
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/* uart frame format -- stop bit num, see PROTO_3761_UART_STOP_X_BIT */
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stop_bit_num : 1,
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/* baud id, see PROTO_3761_UART_BAUD_ID_XXX */
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buad_id : 3;
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/* timeout waiting for message */
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uint8_t timeout1 : 7,
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/* if set, the timeout1 of a field is 1s */
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uint_is_sec : 1;
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/* timeout per byte interval, uint is 10 ms */
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uint8_t timeout2;
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/* data length to be forwarded */
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uint16_t len;
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/* data payload to be forwarded */
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uint8_t data[0];
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} proto_3761_afn10f1_dl_t;
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/* AFN = 10H, FN = 1: transparent forwarding uplink message layout */
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typedef struct proto_3761_afn10f1_ul {
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/* communication port number */
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uint8_t port;
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/* data length to be forwarded */
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uint16_t len;
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/* data payload to be forwarded */
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uint8_t data[0];
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} proto_3761_afn10f1_ul_t;
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#pragma pack(pop) /* save the pack status */
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/* app message descriptor */
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typedef struct proto_3761_app_desc {
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/* address field */
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proto_3761_addr_t addr_filed;
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/* start flag bit: 1 - from starting station, 0 - from slave station */
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uint8_t prm : 1,
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/* message direction, see PROTO_3761_DIR_XXX.
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* 0 - downlink from main station, 1 - up to main station.
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*/
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dir : 1,
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/* reserved for further use */
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rsvd : 6;
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/* application function code */
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uint8_t afn;
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/* seq number */
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uint8_t seq;
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/* pointer to app data*/
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uint8_t *data;
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/* data length */
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uint16_t len;
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} proto_3761_app_data_desc_t;
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/**
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* @brief proto_3761_parse() - check and parse 376.1 data frame
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* @param data: pointer to the start of the original data frame.
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* @param len: len len the original data frame.
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* @param app_desc: if the app info description is returned successfully.
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* @retval: 0 -- for success case, otherwise -- error code
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*/
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uint32_t proto_3761_parse(uint8_t *data, uint16_t len,
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proto_3761_app_data_desc_t *app_desc);
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/**
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* @brief proto_3761_du_parse() - parse data unit
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* @param pn: info point.
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* @param fn: info type.
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* @param data: pointer to pointer to the start of the original data.
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* @param len: pointer to the len of the original data.
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* @retval: 0 -- for success case, otherwise -- error code
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*/
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uint32_t proto_3761_du_parse(uint16_t *pn, uint16_t *fn, uint8_t **data,
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uint16_t *len);
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/**
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* @brief proto_3761_build_afn10f01_dl_msg() - build create an afn19f01(
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* transparent forwarding) downlink message.
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* @param ds: pointer to data to be transparently forwarded.
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* @param len: data len to be transparently forwarded.
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* @param buud: baud for transparent forwarding.
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* @param port: port number of transparent forwarding, see PROTO_PORT_RS485_X.
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* @param parity: uart frame format - parity bit type, see IOT_UART_PARITY_XX.
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* @param timeout: timeout for transparent forwarding to wait for response, uint
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* is 1s.
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* @param mid: module id of Creator.
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* @param dev_addr: administrative region code.
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* @param area_code: terminal address region.
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* @param sn: maessage seq number.
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* @retval: NULL -- for failure.
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* @retval: pkt -- the iot pkt buffer for message.
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*/
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iot_pkt_t *proto_3761_build_afn10f01_dl_msg(uint8_t *ds,
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uint16_t len, uint32_t baud, uint8_t port,
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uint8_t parity, uint8_t timeout, module_id_t mid,
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uint16_t *dev_addr, uint16_t *area_code, uint8_t sn);
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/**
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* @brief proto_3761_get_sn() - get and update message seq number
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* @retval: message seq number.
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*/
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uint8_t proto_3761_get_sn(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* PROTO_3761_H */
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